546646459 has 2 divisors, whose sum is σ = 546646460. Its totient is φ = 546646458.

The previous prime is 546646447. The next prime is 546646493. The reversal of 546646459 is 954646645.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 546646459 - 2¹¹ = 546644411 is a prime.

It is a super-2 number, since 2×546646459² = 597644702274477362, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (546646409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 273323229 + 273323230.

It is an arithmetic number, because the mean of its divisors is an integer number (273323230).

Almost surely, 2^546646459 is an apocalyptic number.

546646459 is a deficient number, since it is larger than the sum of its proper divisors (1).

546646459 is an equidigital number, since it uses as much as digits as its factorization.

546646459 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3110400, while the sum is 49.

The square root of 546646459 is about 23380.4717445992. The cubic root of 546646459 is about 817.6526458249.

The spelling of 546646459 in words is "five hundred forty-six million, six hundred forty-six thousand, four hundred fifty-nine".